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Species Page - Thrips intricatus
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scientific name    Thrips intricatus    

Petasites frigidus, Petasites saggitus, Krigia biflora, Salix sp.


Body length varies around 1.3 to 1.5mm. Body and legs are brown, with foretibiae yellow or yellowish brown. Forewings are light or pale brown with the basal portion somewhat paler. The antennae are brown with the apex of segment 2 yellowish brown, the pedicel of segment 3 is pale though the basal half is yellowish brown and the base of segment 4 is a yellowish brown. Ocellar setae pair 2 is present and ocellar setae pair 3 is posterolaterad of the anterior ocellus and may be on, or in, the ocellar triangle. Antennae are 7 segmented. Five pairs of dorsal postocular setae are present. On the head there are 6 to 8 transverse striae behind the postocular setae. There are 2 or 3 small pores between postocular setae pair 1. The pronotum has transverse anastamosing sculpture and about 33 discal setae. The mesonotum has 1 pair of anteromedial sensilla. Females and males are macropterous. The forewing has 3 or 4 basal setae and 3 distal setae on the forevein. Abdominal tergite 2 has 4 setae on each lateral margin. The median setae on segment 8 extend posterior to the median sensilla. A posteromarginal comb of 14 to 24 microtrichia is present on tergite 8, and tergite 9 usually has 2 pairs of campaniform sensilla. On males the glandular areas on sternites 3 to 7 are transverse and oval (Nakahara 1994).

life history


diet info

Alberta, N.W.T., New Jersey (Nakahara 1994).

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